Chapter 2 Installation | VFD-ED
2-2 Airflow and Power Dissipation
Model No.
Airflow Rate for Cooling
Power Dissipation for
AC Motor Drive
Flow Rate (cfm) Flow Rate (m
3
/hr) Power Dissipation (W)
External Internal Total External Internal Total
Loss External
(Heat Sink)
Internal Total
VFD022ED21S 13.7 - 13.7 23.3 - 23.3 60 36 96
VFD037ED21S 23.9 - 23.9 40.7 - 40.7 84 46 130
VFD040ED23S 23.9 - 23.9 40.7 - 40.7 133 49 182
VFD055ED23S 48.5 - 48.5 82.4 - 82.4 212 67 279
VFD075ED23S 48.5 - 48.5 82.4 - 82.4 292 86 379
VFD110ED23S 47.9 - 47.9 81.4 - 81.4 355 121 476
VFD150ED23S 64.6 - 64.6 109.8 - 109.8 490 161 651
VFD185ED23S 102.3 - 102.3 173.8 - 173.8 638 184 822
VFD220ED23S 102.8 - 102.8 174.7 - 174.7 723 217 939
VFD300ED23S 179 30 209 304 51 355 932 186 1118
VFD370ED23S 179 30 209 304 51 355 1112 222 1334
VFD040ED43S 13.7 - 13.7 23.3 - 23.3 123 42 165
VFD055ED43S 48.5 - 48.5 82.4 - 82.4 185 55 240
VFD075ED43S 48.5 - 48.5 82.4 - 82.4 249 71 320
VFD110ED43S 47.9 - 47.9 81.4 - 81.4 337 94 431
VFD150ED43S 46.1 - 46.1 78.4 - 78.4 302 123 425
VFD185ED43S 46.1 - 46.1 78.4 - 78.4 391 139 529
VFD220ED43S 102.8 - 102.8 174.7 - 174.7 642 141 783
VFD300ED43S 83.7 - 83.7 142.2 - 142.2 839 180 1019
VFD370ED43S 179 30 209 304 51 355 803 252 1055
VFD450ED43S 179 30 209 304 51 355 1014 270 1284
VFD550ED43S 179 30 209 304 51 355 1244 275 1519
VFD750ED43S 186 30 216 316 51 367 1541 338 1878
The required airflow shown in Table 2-2 is for installing
single drive in a confined space.
When installing multiple drives, the required air volume
should be the required air volume for a
number of the drives.
The heat dissipation shown in
Table 2-2 is for installing a
drive in a confined space.
When installing multiple drives,
volume of heat dissipation
should be the heat dissipated for
a single drive X the number of
the drives.
Heat dissipation for each model
is calculated by rated voltage,
current and default carrier.
Table 2-2
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